OB2105 Synchronous-Rectified Buck Converter

OB2105 is a wide input voltage, high-efficiency, high performance synchronous-rectified buck converter. OB2105 utilizes soft driving technology to achieve good EMI performance. OB2105 also provide soft-start, V IN /V OUT over voltage protection, over temperature protection, and output short circuit protection with hiccup mode. The built-in multi-stage detection scheme effectively protects the device and system when the output hard short to ground. OB2105 is available in SOP-8 and SOT23-5 packages and required very few external components for operation

Key Features

• Wide 6V to 35V Operating Input Range
• Synchronous Operating without External Schottky Diode.
• Simplified External Device Requirement.
• 90.5% efficiency at V
• OUT
• 5.0V 1A, V
• IN
• 12V.
• Fixed 160KHz Frequency.
• Multi-Stage Short Circuit Protection and Hiccup Mode.
• V
• /V
• Over Voltage Protection and Over Temperature Protection.
• Good EMI Performance.

Applications

• Home Appliances
• White Goods
• Stand-By Power Supply

Part Numbers

• OB2105C
• OB2105ME

Product family: On-Bright official page